Your Middleman blog should create a sitemap.xml
If your website runs on Middleman like this website (at time of writing) you might want to create a nice sitemap.xml for search engines to know their way on your site. This article shows how. »
How to optimize CSS to get a perfect score on Google PageSpeed Insights
One of the rules Google PageSpeed Insights uses is Eliminate render-blocking JavaScript and CSS in above-the-fold content. This posts shows you how to pass this rule and go for a 100/100 score. »